International Space Station conjunction alert RED

The three members of Expedition 18 (NASA's Expedition 18 Commander Mike Fincke, Russian Flight Engineer Yury Lonchakov and NASA's Sandra Magnus) may be asked to evacuate into the Russian Soyuz spacecraft attached to the International Space Station (ISS), following a "RED threshold late notice conjunction threat" alert.

The alert was issued due to tracking of an orbital debris object labeled "25090 PAM-D." The Soyuz is used to transport astronauts to and from the station, and is also used as a lifeboat in the event of a catastrophic station failure.

Tracking of the small piece of debris was initially classed as a low threat of collision with the ISS. However, latest tracking suggests the threat is red.

More information is available here.